E cigarette Characteristics, Safety Issues, & Regulation Britannica E Cigarette How E Cigarettes Work, Health Risks & Teen Use Single use e cigarettes: The environmental impact of disposable vapes: A growing threat to waste management WMW SEPs, medical devices, e cigarettes: Biggest UPC battles reveal broad court remit JUVE Patent Harvard scientist finds microbial contaminants in e cigs Harvard Gazette Main components of the Vype e cigarette device. Download Scientific Diagram